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Optical mark reader

(OMR) A special scanning device that can read carefully placed pencil marks on specially designed documents. OMR is frequenty used in forms, questionnaires, and answer-sheets.


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    noun, Physics. 1. . [ley-zer] /ˈleɪ zər/ noun, Physics. 1. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. /ˈleɪzə/ noun 1. a source of high-intensity optical, infrared, or ultraviolet radiation produced as […]

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    noun 1. (computing) a type of computer mouse that uses light-emitting and -sensing devices to detect where it is hardware Any kind of mouse that uses visible light or infrared to detect changes in its position. (1999-07-21)

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